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The Geology of the More Refractory Clays and Shales of Iowa

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  • The Geology of the More Refractory Clays and Shales of Iowa

    Article

    The Geology of the More Refractory Clays and Shales of Iowa

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How to Cite:

Galpin, S. L., (1925) “The Geology of the More Refractory Clays and Shales of Iowa”, Iowa Geological Survey Annual Report archive 31(1), 53-90. doi: https://doi.org/10.17077/2160-5270.1257

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Published on
1925-01-01

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Public domain